Home / 21,056,512.91-29,053,007.91-12,230,720.01

Finding the Fourth Proportional to 21,056,512.91, 29,053,007.91 and 12,230,720.01

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Solution

The fourth proportional to 21,056,512.91, 29,053,007.91 and 12,230,720.01 is: 16,875,501.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,056,512.91 : 29,053,007.91 = 12,230,720.01 : x
  2. Step 2: Convert to fraction form
    21,056,512.91/29,053,007.91 = 12,230,720.01/x
  3. Step 3: Cross multiply
    21,056,512.91x = 29,053,007.91 × 12,230,720.01
  4. Step 4: Simplify right side
    21,056,512.91x = 355,339,205,195,525.25
  5. Step 5: Solve for x
    x = 355,339,205,195,525.25/21,056,512.91
  6. Step 6: Final answer
    x = 16,875,501.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.